#6491EE#6491EE

#6491EE is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.7% C 0.147 H 263.4°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#6491EE
RGB	rgb(100, 145, 238)
HSL	hsl(220, 80%, 66%)
HSV	hsv(220, 58%, 93%)
CMYK	cmyk(58%, 39.1%, 0%, 6.7%)
CIE-LAB	lab(60.90, 12.01, -51.48)
CIE-LCH	lch(60.90, 52.86, 283.13°)
OKLab	oklab(66.68% -0.0168 -0.1462)
OKLCH	oklch(66.68% 0.147 263.4)
XYZ	xyz(30.8082, 29.1306, 84.8716)
Luminance	0.2913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491EE #EEC164

analogous

#64D6EE #6491EE #7C64EE

triadic

#6491EE #EE6491 #91EE64

tetradic

#6491EE #EE64D6 #EEC164 #64EE7C

square

#6491EE #EE64D6 #EEC164 #64EE7C

split-complementary

#6491EE #EE7C64 #D6EE64

monochromatic

#154EC2 #2D6AE8 #6491EE #9BB8F4 #D2DFFA

Accessibility & contrast

On white

3.08

#6491EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#6491EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491EE

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491EE	#FFFFFF	#000000	##000000
##6491EE	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#699AF2

Deuteranopia (green-blind)

#578DEC

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #6491ee;
/* rgb */ color: rgb(100, 145, 238);
/* oklch */ color: oklch(66.7% 0.147 263.4);

Tailwind

colors: {
  custom: {
    50: '#9ab0f4',
    500: '#6491ee',
    950: '#000000',
  },
}

SCSS

$custom: #6491ee;
$custom-light: #9ab0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#6491ee",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 238
  },
  "hsl": {
    "h": 220.435,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66682,
    "c": 0.14714,
    "h": 263.4
  },
  "luminance": 0.29133
}

Semantic roles & 50–950 ramp

primary

#6491EE

secondary

#EDDFC0

accent

#9809DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #6491EE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →